降B調短號

JP371SW
純銀吹口管,經Smith-Watkins所設計,具有1&3快速調音管按鍵(trigger)
調性: 降B調
號口: 123mm
金銅喇叭口, one piece手工打造
吹口管尺寸: 11.9mm
樂器排水口: 2
表面處理: 烤漆/鍍銀
Key: Bb
Bell Size: 123mm (4.84")
Bore: Large 11.9mm (0.469")
Waterkeys: 2 (Lever)
Finish: Lacquer (JP371SW), Silverplate (JP371SWS)